Running 12GB of DDR3 Triple Channel Memory on Intel Core i7 Platforms

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Overclocking 12GB of Memory

 Going for the highest clock frequency is always fun, but with 12GB of memory I wanted to make sure it was also stable.

12GB DDR3 Memory overclocked CPU-Z Screen Shot

The highest clock frequency that I was able to get rock solid was 1700MHz with 8-8-8-24 1T timings at 1.6V.

12GB Corsair Dominator DDR3 Sandra Performance

This frequency boost improved throughput to 30.59GB/Sec, which is great as I was finally able to break the 30GB/Sec mark while running 12GB of memory.

12GB Corsair Dominator DDR3 Sandra Performance

The system was also Prime 95 stable at these settings!  I let the system run Prime 95 overnight last night and it is still running today, so I would call this a nice stable overclock.

12GB DDR3 Memory overclocked CPU-Z Screen Shot

In case you are curious what the highest unstable speed that I was able to reach was, I figured I’d include this one last CPU-Z shot showing the system running 12GB of memory at 1800MHz with 8-8-8-24 1T timings with just 1.60V.

12GB Corsair Dominator DDR3 Sandra Performance

The system could be benchmarked with 12GB of memory 1800MHz at CL8 timings, but it wasn’t stable in Prime 95 or during gaming.  I jumped online and was playing Left 4 Dead on the system and it crashed about 15 minutes into gaming. Seeing 12GB of memory running this fast with these agressive timings was beyond what I expected, so this is a success if you ask me. I tried relaxing the timings to CL9 and added more voltage to the Samsung based modules, but they seemed to hit a brick wall at 1800MHz. With that said though, how many people can say they have run 32.34GB/Sec of throughput at 1800MHz with 12Gb of memory!

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